



Swatch Big Bold Bioceramic Travel By Day Quartz Black Dial Black Silicone Strap Unisex Watch SB03B108
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Full Manufacturer Warranty
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Big Bold Bioceramic Travel By Day Quartz Black Dial Black Silicone Strap Unisex Watch SB03B108
The Case:
The Travel By Day SB03B108 has an oversized case that measures 47mm in diameter and 11.75mm in thickness. It is presented in a smooth, black tone and is made out of ’s bioceramic. This compound material is a mixture of two-part ceramic and one-part bio-sourced castor bean oil, resulting in a robust, lightweight material. The case also features a thin, fixed bezel and a yellow push-button at 2 o’clock. The case’s acrylic crystal is highly durable and impact-resistant, providing protection against scratches and shattering.
The Dial:
The dial showcases a two-step design, with the inner dial exhibiting a skeletonised design that exposes the inner mechanisms of the watch. The inner dial is framed by a black outer dial that is detailed with thick, blue baton indices. The black baton handset has yellow luminescent tips that enable the dial to be read in the dark.
The Strap:
The watch is finished with a blue silicone strap with a black loop and black aluminium standard buckle.
The Functions:
Quart mechanisms power this timepiece ensuring that the watch is reliable and accurate. It is water resistant to 30 metres, which means that it shouldn’t be exposed to anything more than light splashes of water.
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UK Delivery
| Selling Price | Royal Mail 48 (Tracked) |
Royal Mail 24 (Tracked & Signed) |
Special Delivery Next Day (Mon – Fri) |
Special Sunday Delivery (Before Sat 12pm) |
Royal Mail Special Delivery by 1pm |
|---|---|---|---|---|---|
| £0 to £99.99 | FREE | £4.99 | £7.99 | £7.99 | £9.99 |
| £100 to £499.99 | N/A | FREE | £7.99 | £7.99 | £9.99 |
| £500 or more | N/A | N/A | FREE | £7.99 | £9.99 |
We know your order is important to you, so we use Royal Mail’s tracked delivery service on all UK orders.
We also offer Royal Mail Special Delivery service, which for an additional fee offers guaranteed delivery the next day before 1pm.
*Royal Mail Tracked 24 and Royal Mail Tracked 48 services are 98% accurate but not guaranteed.
Orders placed before 5pm (Monday–Friday) are dispatched the same day. Orders placed on Saturday or Sunday are dispatched the following Monday.
International Shipping & Duties (Delivered At Place – DAP)
We’re pleased to offer worldwide delivery with fully tracked and insured shipping.
How international orders work
All international orders are shipped on DAP (Delivered At Place) terms. This means:
- The price you pay at checkout covers your goods and international shipping only.
- WatchNation does not collect or charge any overseas sales tax, import VAT, or customs tariffs (duties).
- When your order reaches your country, local customs authorities may apply:
- Import VAT (value-added tax),
- Tariffs or customs duties (import taxes based on product category and value), and
- Handling or clearance fees from the courier.
These charges are set by your country’s customs authority and are payable by you before delivery.
You’ll be contacted directly by DHL with a secure link to pay any applicable charges. Once cleared, your parcel will be released and delivered promptly.
Estimated delivery times (after dispatch)
- European Union: approximately 2–5 working days
- Rest of World: approximately 5–7 working days
Customs processing times vary by country and may extend delivery slightly.
If import charges, tariffs, or duties are not paid
If local charges are unpaid or delivery is refused, the shipment will be returned to us. In this case, we will refund your order minus the outbound shipping cost and any return or customs fees billed to us by the carrier.
Estimating import costs
Import VAT and duty rates vary by country. You can check estimated import taxes and tariffs by contacting your local customs authority or using your government’s online import calculator.
More about delivery...

Need help?
Frequently Asked Questions
Yes — we are an Authorised Dealer for every brand we sell. All watches come with an official box, papers, and a full manufacturer’s warranty.
Every watch includes a manufacturer warranty. You’ll find more warranty info listed in the product description.
Orders placed before 5pm (Mon–Fri) are dispatched the same day. Order before 12pm on Sat for same-day dispatch. Free UK delivery is available on all orders, and tracking details are provided once shipped.
Yes — you have 14 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.



